Finding the Fourth Proportional to 438,730.68, 657,660.04 and 305,330.67
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Solution
The fourth proportional to 438,730.68, 657,660.04 and 305,330.67 is: 457,692.59
Step by Step Solution
- Step 1: Write the proportion equation
438,730.68 : 657,660.04 = 305,330.67 : x - Step 2: Convert to fraction form
438,730.68/657,660.04 = 305,330.67/x - Step 3: Cross multiply
438,730.68x = 657,660.04 × 305,330.67 - Step 4: Simplify right side
438,730.68x = 200,803,781,599.59 - Step 5: Solve for x
x = 200,803,781,599.59/438,730.68 - Step 6: Final answer
x = 457,692.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.